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Sogou Search vs Metaso AI Search: catalog facts
Sogou Search	Metaso AI Search
Free Free to use, supported by advertising.	Free The homepage says it is free to use.
Web	Web
Searches WeChat official account articles Dedicated Zhihu, dictionary and translation search	No ads in search results Structured answers instead of a list of links
Interface only in Chinese Queries capped at 100 Chinese characters	Interface in Chinese only Few details on sources and data handling on the homepage
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.